ARD2204H

Overview

The ARD2204H is a latched RF coaxial relay manufactured by Panasonic Electric Works, designed for high-frequency signal routing. It features a Single Pole Double Throw (SPDT) configuration with a characteristic impedance of 50 Ohms. The device operates on a DC coil input voltage of 4.5VDC, drawing a maximum current of 0.267A with a coil power consumption of 1200mW. The contacts are rated for a maximum current of 0.1A and a voltage of 30VDC or 30VAC. The switch supports frequencies up to 18GHz, with an RF input power handling capability of 120W. It utilizes a panel mount form factor and complies with RoHS standards.

Feature Summary

• Latching mechanism maintains state without continuous power
• High-frequency operation up to 18GHz with 50 Ohm impedance
• Robust RF power handling capacity of 120W
• Panel mount construction for secure installation

Applications

• Cellular base station antenna switching
• RF test and measurement equipment signal routing
• Wireless communication system component selection
• Microwave circuit isolation and transfer

Procurement Notes

Verify the specific datasheet version provided by Panasonic Electric Works to confirm mechanical dimensions and pinout configurations prior to integration. Ensure that the driving circuitry can supply the required 4.5VDC coil voltage and handle the 0.267A inrush current appropriately. Confirm that the application environment does not exceed the 120W RF input power rating or the 30V contact voltage limit. Check for any specific mounting hardware requirements associated with the panel mount design to ensure proper physical stability during operation.

Selection Notes

Select this component when a latched SPDT switch is required for frequencies up to 18GHz. It is suitable for applications demanding high RF power handling and low insertion loss characteristics typical of 50 Ohm systems. Consider the 4.5VDC coil drive requirement and the need for a latching function to reduce standby power consumption. Evaluate the panel mount constraints against available space in the target enclosure. Compare performance metrics such as VSWR and isolation against other ARD series variants if different throw counts or frequency ranges are needed.

Part Context

The ARD2204H belongs to the Panasonic ARD series of coaxial switches, which are engineered for high-performance RF applications. This series includes various configurations such as SPDT, transfer, and SP6T types, all maintaining excellent high-frequency characteristics. The ARD series is widely utilized in telecommunications infrastructure where reliable signal switching at microwave frequencies is critical. These components are distinguished by their robust construction and compliance with industry standards for RF integrity.

Replacement Considerations

Consult official Panasonic documentation for direct cross-reference part numbers within the ARD series. Verify that any substitute component matches the SPDT topology, 50 Ohm impedance, and 18GHz frequency limit. Ensure mechanical compatibility regarding the panel mount footprint and electrical compatibility concerning the 4.5VDC latching coil specifications.